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Daikin FL25GV1NB [10/67] Service manual
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SiE-84
2 Service Manual
1. Printed circuit board connector wiring diagram and name
(1) FL25/35/40/45GV1NB
FLY22/35/40/50GV1NB
PCB1 (Control)
JC : Control function change
jumper
(When cut → No Auto-restart
function)
J59 : Jumper cut :
Ceiling Initial. Floor
(Heat Pump Only)
S32 : Connector for heat
exchange thermostat
J63 : Control function
change jumper
(When cut →
Cancellation of time limit
for powerful operation)
S21 : Connector for
RS232C interface (For
live test)
SW2(S2W) :
Address switch
CP : Connector for line check
JB : Control function change
jumper
(When cut → Setting of fan RPM
"0" during thermostat off)
S26 : Connector for PC
Board
S11, 15 : Connector for
centralized control PC
Board
S37 : Connector for
Power Supply PC Board
LED A : LED for service
Monitor
S24 : Connector for
display PC Board
SW8 (S8W) : Cleaning
indicator reset switch
S6 : Connector for swing motor
SIE2-84.book Page 2 Wednesday, May 30, 2001 10:29 AM
Содержание
- Table of contents 1
- Safety cautions 2
- Warning 2
- Caution 3
- Warning 3
- Caution 4
- Warning 4
- Warning 5
- Caution 6
- Warning 6
- Caution 7
- Split system room air conditioners fl y series 9
- 1 fl25 35 40 45gv1nb fly22 35 40 50gv1nb 10
- Pcb1 control 10
- Printed circuit board connector wiring diagram and name 10
- Service manual 10
- Sie 84 10
- Note this drawing shows pcb for fl25 45gv1nb 11
- Pcb a2 cooling only 11
- Pcb2 power supply 11
- Service manual 3 11
- Sie 84 11
- 2 p c b for photo and display for all cooling model 12
- Service manual 12
- Sie 84 12
- List of functions 13
- Service manual 5 13
- Sie 84 13
- 1 2 operation mode heat pump model only 14
- 1 operation mode 1 1 program dry operation cooling only model 14
- Main functions 14
- Service manual 14
- Sie 84 14
- 2 1 cooling monitoring function cooling only model 15
- 2 monitoring function 15
- Service manual 7 15
- Sie 84 15
- 2 2 monitoring function heat pump model 16
- 3 auto restart 16
- 4 3 minutes standby function 16
- Service manual 16
- Sie 84 16
- 5 filter check indicator 17
- 6 air purification filter 17
- The filter check indicator located at the center of the unit will indicate the time for cleaning the air filters 17
- 7 emergency operation function on off switch 18
- 8 powerful operation 18
- Notes on powerful operation 18
- Powerful heating function time chart 18
- Service manual 18
- Sie 84 18
- 9 step flow 19
- Fig 1 8 19
- Heating in the case of swing off start 19
- Heating in the case of swing on start 19
- In the beginning of a heating operation the unit sends warm air towards the wall behind the unit to prevent the air from directly blowing on people in the room after a while it blows air downward to warm up the area close to the floor after the walls and floor become warm the unit sends out air according to the set angle and fan speed air flow angle and fan speed set from remote control 19
- Service manual 11 19
- Sie 84 19
- Step 1 step 2 step 3 the flap is set to angle the flaps move to send air downward when 5 minutes elapse from a or the heat exchanger temperature becomes 34 c or higher 19
- The flaps move to the position of the stored data when 5 minutes elapse from b or condition 1 is met 19
- The flaps remain in the preset position for about 10 seconds before they return to the full open processing 19
- 10 auto swing 20
- 11 auto fan speed 20
- B ceiling suspended installation b ceiling suspended installation blade angle blade angle 20
- Cooling 20
- Cooling only model 20
- Heat pump model a floor level installation a floor level installation blade angle blade angle 20
- Heating 20
- Service manual 20
- Sie 84 20
- The laps automatically move up and down to send air over a wide area 20
- When the fan speed is set to auto or when the unit operates in the program dry mode the unit automatically adjusts to the most appropriate fan speed according to the temperature setting and room temperature 20
- 12 night set mode 21
- A 0 temperature shift 21
- After that the unit will lower temperature 2 c lower than the set temperature and heat for 30 minutes and continue cooling at that temperature 21
- After that the unit will raise temperature 0 c higher than the set temperature and cool for 30 minutes 21
- After that the unit will raise temperature another 0 c and continue cooling at that temperature 21
- B maintains the same temperature 21
- Cooling only model 21
- During cooling 21
- During heating 21
- Heat pump model 21
- It is possible to change the airflow setting while the off timer is in operation however changing the airflow setting cancels the shift up of the set temperature 21
- Minutes 21
- Note no higher temperature setting on program dry or auto operation 21
- Operation stops at set time 21
- Service manual 13 21
- Set temp 21
- Set temperature 21
- Set the off timer 21
- Setting the off timer forcibly changes the airflow adjustment to the tap l setting 21
- Sie 84 21
- The unit will cool the room at the set temperature for 1 hour from when the timer starts counting 21
- The unit will heat the room at the set temperature for 1 hour from when the timer starts counting 21
- Thermostat setting 21
- This mode automatically keeps temperature slightly higher than the temperature setting in this way there is no need to worry about overcooling while sleeping and it also saves on electricity 21
- Timer operation night set circuit on 21
- Timer operation night set circuit on 1 hour later 21
- Timer start 21
- 13 freeze protection function 22
- 14 overload control 22
- Service manual 22
- Sie 84 22
- 15 defrosting operation heat pump model only 23
- Service manual 15 23
- Sie 84 23
- 16 hot start heat pump model only 24
- 17 forced cooling function 24
- By moving slide switch sw1 on the outdoor unit printed circuit board from n to c the unit can be set in a forced cooling operation used for pump down operation 24
- Service manual 24
- Sie 84 24
- To prevent cold draft in the beginning of a heating operation the unit detects the temperature of the indoor heat exchanger and stops the fan or set to the ll tap operation to ensure comfortable heating during defrosting operation and thermostat on the same control function activates to prevent cold draft in the heating operation 24
- 18 test run function 25
- Service manual 17 25
- Sie 84 25
- 1 indoor and outdoor unit indoor unit 26
- Caution 26
- Indoor unit 26
- Opening the front grille 26
- Service manual 26
- Sie 84 26
- System configuration 26
- Outdoor unit 27
- 2 remote control 28
- Display 28
- Displays the current settings in this illustration each section is shown with all its dis plays on for the pur pose of explanation some models may not show all its indi cations 28
- Mode selector button 28
- Off timer button 28
- On timer button 28
- Remote control 28
- See page 25 timer operation 28
- Selects the operation mode 28
- Send signals to the indoor unit 28
- Service manual 28
- Sie 84 28
- Transmitter 28
- 3 preparation before operation 29
- Attention 29
- Choose a place from where the signals reach the unit 29
- Fit the claw of the holder into the bottom of the remote control and push the remote control onto the wall 29
- Fix the holder to a wall a pillar etc with the screws supplied with the holder 29
- Operating the remote control 29
- Press with a finger and slide the back cover to take it off 29
- Remote control 29
- Set the back cover as before 29
- Set two alkaline dry batteries lro3 29
- Setting the batteries 29
- To fix the remote control holder on the wall 29
- Am is displayed 30
- Attach an air purification filter to each air filter 30
- Be careful not to cool the room too much keeping the temperature setting at a moderate level helps save energy 30
- Blinks 30
- Indoor unit 30
- Open the front grille 30
- Press blinks 30
- Pull out the air filters 30
- Set the air filters in their original positions and close the front grille 30
- Set the air purification filters 30
- Setting the air purification filters 30
- Setting the clock 30
- To change the air flow direction 31
- To change the air flow rate setting 31
- To stop 31
- Adjusting the horizontal blade flap 32
- Adjusting the louvre 32
- Attention 32
- To change the air flow direction 32
- To change the air flow rate setting 32
- To change the temperature setting 32
- To stop 32
- 7 timer operation 33
- 8 powerful operation 33
- Attention 33
- Combining on timer and off timer 33
- Notes on off timer 33
- Notes on on off timer 33
- Off timer operation 33
- On timer operation 33
- Press once again 33
- Press until the time setting reaches the point you like 33
- To cancel powerful operation 33
- To cancel the timer 33
- 9 care and cleaning 34
- As they were and close the front grille 34
- Attach the air purification filter 34
- Caution 34
- Cleaning the air filters 34
- Cleaning the indoor and outdoor units and the remote control 34
- Open the front grille 34
- Push cleaning lamp reset button 34
- Replacing air purification filters 34
- Set the air purification filters and the air filters as they were and close the front grille 34
- Take off the air purification filters and clean them 34
- Take off the purifying filters 34
- Before a long idle period 35
- Disposal requirements 35
- Press and select 35
- Press and set the temperature to 32 c 35
- 1 outline 36
- Diagnosis using remote control 36
- Diagnosis with leds 36
- Fault diagnosis 36
- Service manual 36
- Sie 84 36
- Arc 417 series 37
- Fault diagnosis by wireless remote control 37
- Service manual 29 37
- Sie 84 37
- The code indication changes in the sequence shown below and notifies with a long beep 37
- Check if the grounding has been made 38
- Check the led for the outdoor unit 38
- Connect the power supply again 38
- Diagnosis 38
- Diagnosis flow 38
- Does the led a blink yes 38
- Service manual 38
- Sie 84 38
- Diagnosis 39
- Service manual 31 39
- Sie 84 39
- Diagnosis 40
- Service manual 40
- Sie 84 40
- Diagnosis remote control display u4 41
- No going off 41
- Service manual 33 41
- Sie 84 41
- Yes yes 41
- No going off 42
- Service manual 42
- Sie 84 42
- No going off 43
- Service manual 35 43
- Sie 84 43
- Service manual 44
- Sie 84 44
- Diagnosis remote control display a5 45
- Service manual 37 45
- Sie 84 45
- Air conditioner does not operate and led for operation blinks 46
- Diagnosis remote control display a6 46
- Fault diagnosis and countermeasure countermeasure 46
- Indoor unit has emergency operation switch test run selector 46
- Replace capacitor replace pcb 46
- Replace dry battery 46
- Replace fan motor 46
- Replace indoor unit pcb 46
- Replace the fan motor 46
- Replace the pcb 46
- Replace wireless remote control 46
- Service manual 46
- Sie 84 46
- Diagnosis remote control display c4 47
- Diagnosis remote control display c9 47
- Service manual 39 47
- Sie 84 47
- Diagnosis remote control display e5 48
- Diagnosis remote control display h9 48
- Service manual 48
- Sie 84 48
- Diagnosis remote control display j6 49
- Diagnosis remote control display p3 49
- Service manual 41 49
- Sie 84 49
- 1 press on off button to turn on the system 2 simultaneously press down up and mode buttons 3 press mode button twice t will appear on the display to indicate that trial operation mode is selected 4 trial run mode terminates in approx 30 minutes and switches into normal mode to quit a trial operation press on off button 50
- 3 carry out the test operation in accordance with the operation manual to ensure that all functions and parts such as louver movement are working properly the air conditioner requires a small amount of power in its standby mode if the system is not to be used for some time after installation shut off the circuit breaker to eliminate unnecessary power consumption if the circuit breaker trips to shut off the power to the air conditioner the system will restore the original operation mode when the circuit breaker is opened again 50
- After trial operation is complete set the temperature to a normal level 26 to 28 c 50
- After trial operation is complete set the temperature to a normal level 26 to 28 c in cooling mode 20 to 24 c in heating mode 50
- For protection the machine disables restart operation for 3 minutes after it is turned off 50
- For protection the system disables restart operation for 3 minutes after it is turned off 50
- Service manual 50
- Sie 84 50
- Test run 50
- Trial operation and testing 50
- Trial operation in cooling mode may be disabled depending on the room temperature use the remote control for trial operation as described below 50
- Trial operation may be disabled in either mode depending on the room temperature 50
- Centralized control for krc72 krp411a1s and krp410a11s 51
- Control function change jumper 51
- If the unit was running when a power failure occurred it may not resume operation after recovering from a power failure 51
- Separate operation of air condition 51
- Service manual 43 51
- Sie 84 51
- 1 for fl 25 35 40 45gv1nb fly22 35 40 50gv1nb 52
- Removal of air filter and front grille 1 3 be sure to turn off all power supplies 52
- Removal procedure 52
- Removal of air filter and front grille 2 3 be sure to turn off all power supplies 53
- Removal of air filter and front grille 3 3 be sure to turn off all power supplies 54
- Removal of front panel 1 2 be sure to turn off all power supplies 55
- Remove four screws located at the back of front panel 55
- Remove three screw covers at the front of front panel 55
- Service manual 47 55
- Sie 84 55
- Removal of front panel 2 2 be sure to turn off all power supplies 56
- Removal of horizontal blade be sure to turn of all power supplies 57
- Removal of photo sensing and swing motor be sure to turn off all power supplies 58
- Removal of discharge grille be sure to turn off all power supplies 59
- Removal of drain pan be sure to turn off all power supplies 60
- Removal of electrical parts box and pc board 1 3 be sure to turn off all power supplies 61
- Disconnect fasten terminals from terminal board 62
- For heat pump model cut jumper wire j59 when installing the unit to ceil ing 62
- Power supply pcb 62
- Procedure points 62
- Removal of electrical parts box and pc board 2 3 be sure to turn off all power supplies 62
- Service manual 62
- Sie 84 62
- Terminal board 62
- The illustration shows control pcb 62
- Removal of electrical parts box and pc board 3 3 be sure to turn of all power supplies 63
- Removal of fan rotor and motor 1 2 be sure to turn off all power supplies 64
- Removal of fan rotor and motor 2 2 be sure to turn off all power supplies 65
- Removal of heat exchanger 1 2 be sure to turn off all power supplies 66
- Hooking piece is located on the piping side of heat exchanger 67
- Removal of heat exchanger 2 2 be sure to turn off all power supplies 67
- Remove heat exchanger 67
- Remove screws at left side then move heat exchanger to the right 67
- Service manual 59 67
- Sie 84 67
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